Petty Officer 1st Class Kim Nguyen, a health service specialist onboard the Coast Guard Cutter Healy, demonstrates how to position an IV to a joint Coast Guard – Navy dive team while transiting through the Chukchi Sea off the coast of Alaska, July 27, 2017. Coast Guard divers continually train to provide basic medical aid to meet the subsurface needs of the service. U.S. Coast Guard photo by Petty Officer 2nd Class Meredith Manning